Thank you for reaching out to Constant Contact API Developer Support. My team is here to assist outside software
developers with questions about building into Constant Contact's API.
It looks like we've already followed up with you directly via email regarding this issue to request some additional information in order to assist with troubleshooting, but I wanted to close the loop here as well. If you haven't received our reply, please let us know via email at firstname.lastname@example.org, and reference case number 27625712.